(1) fan leaf: 16inch (2) solar panel: 12v/10w (3) case material: pp+ raiú½surface treatment (4) controller: 3 level controller (5) angle: a wide-angle air supply; the level of directional adjustment; (6) battery: 2 maintenance free lead-acid battery; 6v4ah*2 (7) charging time: 8-10 hours under sunshineú¿4-5hours by ac charger (8) working time: 3--5hous after full charged (9) charging method:ac110v/220v or solar panel(optional) Warranty: 1 year Color box size: 550x280x450mm 2pcs/carton Carton: 550x280x450mm Carton gw:18kgs/box 778pcs/20ft 1586pcs/40ft 1932 pcs/40í»hq